CN107934781B - Three-point positioning buffer contact device - Google Patents

Three-point positioning buffer contact device Download PDF

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Publication number
CN107934781B
CN107934781B CN201711221412.8A CN201711221412A CN107934781B CN 107934781 B CN107934781 B CN 107934781B CN 201711221412 A CN201711221412 A CN 201711221412A CN 107934781 B CN107934781 B CN 107934781B
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China
Prior art keywords
bearing
support
furnace
respectively arranged
hydraulic cylinder
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CN201711221412.8A
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Chinese (zh)
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CN107934781A (en
Inventor
雷泽勇
雷洁珩
刘卫
汪卢
钟林
刘源
邓健
汤怀量
沈智超
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University of South China
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University of South China
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/021—Decoupling of vibrations by means of point-of-contact supports, e.g. ball bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal

Abstract

The three-point positioning buffer contact device comprises three buffer contact devices, the three buffer contact devices are respectively arranged on supports, the three supports are uniformly arranged around a heating furnace, and the distances from the installation positions of the three supports to the center of the heating furnace are consistent. The buffering contact device comprises a positioning top head, a hydraulic cylinder and supporting rods, wherein a threaded joint on a support at the front end of the positioning top head is connected with the front end of a hydraulic rod of the hydraulic cylinder and tightened by a back tightening nut, and the four supporting rods are respectively connected with the supporting rod joints on the hydraulic cylinder by bolts. The positioning top head comprises a rubber roller, a front end support, a bearing seat, an inner end cover, an outer end cover and a bearing. The tail end of the front end support is provided with a threaded joint, and the front end of the front end support is provided with a base plate for mounting a bearing seat. The bearing is arranged in the bearing mounting seats, the two bearing mounting seats are respectively arranged on the base plate at the front end of the front end support, two ends of the middle shaft of the rubber roller are respectively arranged in the shaft of the bearing, and the inner end cover and the outer end cover are respectively arranged on the inner side end face and the outer side end face of the bearing mounting seats.

Description

Three-point positioning buffer contact device
Technical Field
The invention relates to a positioning device, in particular to a three-point positioning buffer contact device for positioning a furnace pipe in the zirconium purification process.
Background
At present, in the process of zirconium purification, a furnace pipe 7 filled with zirconium needs to be hoisted above a heating furnace 5 by a travelling crane, aligned with a furnace mouth 5-1 of the heating furnace 5, and slowly descended after the furnace pipe 7 is completely static, the furnace pipe 7 is placed in the heating furnace 5 for heating and purification, and the hoisting process is as shown in figure 6. The hoisting process is determined and positioned by operators, the whole process is long in time consumption and low in efficiency, human subjective judgment errors are large, once deviation occurs in positioning, the furnace pipe 7 collides with the furnace opening 5-1 of the heating furnace 5, the furnace pipe 7 and the furnace opening 5-1 deform, and materials in the furnace pipe 7 are affected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a three-point positioning buffer contact device for positioning a furnace pipe in the process of hoisting the furnace pipe to a heating furnace by a travelling crane.
The technical scheme of the invention is as follows: the three-point positioning buffer contact device comprises three buffer contact devices, the three buffer contact devices are respectively arranged on supports, the three supports are uniformly arranged around the furnace wall of the heating furnace, and the distances from the installation positions of the three supports to the center of the heating furnace are consistent.
The buffering contact device comprises a positioning top head, a hydraulic cylinder and supporting rods, wherein a threaded joint on a support at the front end of the positioning top head is connected with the front end of a hydraulic rod of the hydraulic cylinder and tightened by a back tightening nut, and the four supporting rods are respectively connected with the supporting rod joints on the hydraulic cylinder by bolts.
The positioning top head comprises a rubber roller, a front end support, a bearing seat, an inner end cover, an outer end cover and a bearing.
The tail end of the front end support is provided with a threaded joint connected with the front end of a hydraulic rod of the hydraulic cylinder, and the front end of the front end support is provided with two base plates for mounting the bearing seat.
The outer circle surface of the rubber roller is arc-shaped, and the arc radius of the rubber roller is the same as the radius of the furnace pipe.
The bearing is arranged in a bearing mounting hole of the bearing seat, the two bearing seats are respectively arranged on a base plate at the front end of the front end support, two ends of a middle shaft of the rubber roller are respectively arranged in the shaft of the bearing, and the inner end cover and the outer end cover are respectively arranged on the inner side end face and the outer side end face of the bearing seat.
When the furnace is in work, the furnace pipe filled with zirconium is hoisted to the upper part of the heating furnace by the travelling crane and is aligned with the furnace opening of the heating furnace, and the furnace pipe slowly descends after being completely static. When the bottom of the furnace pipe is close to the furnace opening of the heating furnace, the furnace pipe stops descending, the hydraulic rods of the three hydraulic cylinders in the three-point positioning buffer contact device slowly extend out at the same time, the rubber roller on the positioning top is jacked on the outer wall of the furnace pipe to accurately position the furnace pipe, and the rubber roller buffers the impact on the furnace pipe in the positioning process. After the positioning is finished, the travelling crane is moved to adjust the lifting rope, the lifting rope is ensured to be vertically positioned in the center of the furnace mouth, then the furnace pipe is slowly put down, and when the furnace pipe descends, the rubber roller rolls along the outer wall of the furnace pipe, so that the descending resistance is reduced. When the furnace pipe enters the heating furnace for a certain distance, the hydraulic rods of the three hydraulic cylinders retract simultaneously, so that the furnace pipe is completely descended, and the blocking shoulder of the furnace pipe is located on the furnace opening of the heating furnace.
After the furnace pipe 7 enters the heating furnace, the lifting hook is taken down from the lifting ring of the furnace pipe.
Compared with the prior art, the invention has the following characteristics:
the three-point positioning buffer contact device provided by the invention can be used for accurately positioning the furnace pipe, so that the production efficiency is improved, and the labor intensity is reduced.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a positioning plug;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of the installation arrangement of the three-point positioning buffer contact device;
FIG. 6 is a schematic diagram of three-point positioning during furnace liner hoisting.
Detailed Description
The three-point positioning buffer contact device comprises three buffer contact devices, the three buffer contact devices are respectively arranged on the support 6, the three support 6 are uniformly arranged around the furnace wall of the heating furnace 5, and the distances from the installation positions of the three support 6 to the center of the heating furnace 5 are consistent.
The buffering contact device comprises a positioning top head 1, a hydraulic cylinder 2 and support rods 3, wherein a threaded connector 1-2-1 on a support 1-2 at the front end of the positioning top head 1 is connected with the front end of a hydraulic rod of the hydraulic cylinder 2 and is tightened by a back nut 4, and the four support rods 3 are respectively connected with the support rod connector 2-1 on the hydraulic cylinder 2 by bolts.
The positioning plug 1 comprises rubber rollers 1-1, a front end support 1-2, bearing seats 1-3, inner end covers 1-4, outer end covers 1-5 and bearings 1-6.
The tail end of the front end support 1-2 is provided with a threaded joint 1-2-1 connected with the front end of a hydraulic rod of the hydraulic cylinder 2, and the front end of the front end support 1-2 is provided with two base plates 1-2-2 for mounting the bearing seats 1-3.
The outer circle surface of the rubber roller 1-1 is arc-shaped, and the arc radius of the rubber roller is the same as the radius of the furnace pipe 7.
The bearing 1-6 is installed in the bearing installation hole of the bearing seat 1-3, the two bearing seats 1-3 are respectively installed on the base plate 1-2-2 at the front end of the front end support 1-2, two ends of the middle shaft of the rubber roller 1-1 are respectively installed in the shaft of the bearing 1-6, and the inner end cover 1-4 and the outer end cover 1-5 are respectively installed on the inner side end face and the outer side end face of the bearing seat 1-3.
When the furnace is in work, the furnace pipe 7 filled with zirconium is hoisted above the heating furnace 5 by the travelling crane, is aligned with the furnace mouth 5-1 of the heating furnace 5, and slowly descends after the furnace pipe 7 is completely static. When the bottom of the furnace pipe 7 is close to the furnace mouth 5-1 of the heating furnace 5, the descending is stopped, hydraulic rods of three hydraulic cylinders 2 in the three-point positioning buffer contact device slowly extend out at the same time, rubber rollers 1-1 on the positioning top 1 are pushed against the outer wall of the furnace pipe 7 to accurately position the furnace pipe 7, and the rubber rollers 1-1 buffer the impact on the furnace pipe 7 in the positioning process. After the positioning is finished, the travelling crane is moved to adjust the lifting rope, the lifting rope is ensured to be vertically positioned at the center of the furnace mouth 5-1, then the furnace pipe 7 is slowly put down, and when the furnace pipe is descended, the rubber roller 1-1 rolls along the outer wall of the furnace pipe 7, so that the descending resistance is reduced. When the furnace pipe 7 enters the heating furnace 5 for a certain distance, the hydraulic rods of the three hydraulic cylinders 2 retract simultaneously, so that the furnace pipe 7 descends completely, and the retaining shoulder of the furnace pipe 7 is located on the furnace opening 5-1 of the heating furnace 5.
And after the furnace pipe 7 enters the heating furnace 5, taking down the lifting hook from the lifting ring of the furnace pipe 7.

Claims (2)

1. Three point location buffering contact means, characterized by: the device comprises three buffer contact devices, wherein the three buffer contact devices are respectively arranged on supports, the three supports are uniformly arranged around the furnace wall of the heating furnace, and the distances from the installation positions of the three supports to the center of the heating furnace are consistent;
the buffer contact device comprises a positioning top head, a hydraulic cylinder and support rods, wherein a threaded joint on a support at the front end of the positioning top head is connected with the front end of a hydraulic rod of the hydraulic cylinder and tightened by a back tightening nut, and the four support rods are respectively connected with a support rod joint on the hydraulic cylinder by bolts;
the positioning top comprises a rubber roller, a front end bracket, a bearing seat, an inner end cover, an outer end cover and a bearing;
the tail end of the front end support is provided with a threaded joint connected with the front end of a hydraulic rod of the hydraulic cylinder, and the front end of the front end support is provided with two base plates for mounting a bearing seat;
the bearing is arranged in a bearing mounting hole of the bearing seat, the two bearing seats are respectively arranged on a base plate at the front end of the front end support, two ends of a middle shaft of the rubber roller are respectively arranged in the shaft of the bearing, and the inner end cover and the outer end cover are respectively arranged on the inner side end face and the outer side end face of the bearing seat.
2. The three-point alignment cushioned contact arrangement of claim 1 further comprising: the outer circle surface of the rubber roller is arc-shaped, and the arc radius of the rubber roller is the same as the radius of the furnace pipe.
CN201711221412.8A 2017-11-24 2017-11-24 Three-point positioning buffer contact device Active CN107934781B (en)

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Application Number Priority Date Filing Date Title
CN201711221412.8A CN107934781B (en) 2017-11-24 2017-11-24 Three-point positioning buffer contact device

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Application Number Priority Date Filing Date Title
CN201711221412.8A CN107934781B (en) 2017-11-24 2017-11-24 Three-point positioning buffer contact device

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CN107934781B true CN107934781B (en) 2020-04-07

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110108246B (en) * 2019-06-03 2020-12-25 江西鑫洋精密科技有限公司 Bolt diameter tolerance detects machine
CN110589683A (en) * 2019-09-16 2019-12-20 中国铁建重工集团股份有限公司 Shaft section of jurisdiction hoist and mount prevent turning round device and shaft section of jurisdiction hoist and mount prevent turning round system
CN110697575A (en) * 2019-10-18 2020-01-17 中国电建集团山东电力建设第一工程有限公司 Accurate positioning device, positioning system and positioning method for hoisting large-scale equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201971561U (en) * 2011-01-27 2011-09-14 中国有色（沈阳）冶金机械有限公司 Feeding system for aluminium electrolysis multifunction cranes
CN202803775U (en) * 2012-10-26 2013-03-20 黑龙江建龙钢铁有限公司 Puncher three-roller guiding device
CN104143788A (en) * 2014-07-08 2014-11-12 国家电网公司 Three-point centering conducting rod assembly fixture
CN204248371U (en) * 2014-11-03 2015-04-08 大连迪施船机有限公司 A kind of large-sized annular workpiece high-accuracy mounting device
CN106903397A (en) * 2017-03-31 2017-06-30 中国核工业第五建设有限公司 The method of welding AP1000 nuclear power station CV cylinders and penetration piece sleeve
CN107167291A (en) * 2017-05-16 2017-09-15 广西大学 A kind of three roller guiding mechanisms

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201971561U (en) * 2011-01-27 2011-09-14 中国有色（沈阳）冶金机械有限公司 Feeding system for aluminium electrolysis multifunction cranes
CN202803775U (en) * 2012-10-26 2013-03-20 黑龙江建龙钢铁有限公司 Puncher three-roller guiding device
CN104143788A (en) * 2014-07-08 2014-11-12 国家电网公司 Three-point centering conducting rod assembly fixture
CN204248371U (en) * 2014-11-03 2015-04-08 大连迪施船机有限公司 A kind of large-sized annular workpiece high-accuracy mounting device
CN106903397A (en) * 2017-03-31 2017-06-30 中国核工业第五建设有限公司 The method of welding AP1000 nuclear power station CV cylinders and penetration piece sleeve
CN107167291A (en) * 2017-05-16 2017-09-15 广西大学 A kind of three roller guiding mechanisms

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